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Re: 1.7] BUG - GREP slows to a crawl with large number of matches on a single file
On Fri, Nov 6, 2009 at 7:12 AM, Cooper, Karl (US SSA)
> Corinna Vinschen wrote:
>> Or try LANG=C.ASCII since LANG=C will still return UTF-8 as charset
>> when calling nl_langinfo(CHARSET).
> Yes, this solves it:
> $ time LC_ALL=C.ASCII grep dog testfile | wc
> ?100000 ?900000 4500000
> real ? ?0m0.359s
> user ? ?0m0.279s
> sys ? ? 0m0.232s
I just tried this on my system, I routinely grep groups of files
containing 100K lines. I was *astounded* how fast "grep" is after
setting LC_ALL=C.ASCII !
Jim Reisert AD1C, <firstname.lastname@example.org>, http://www.ad1c.us
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